“…Pending the identification of its aetiology, tropical sprue remains an ill-defined entity whose variable manifestations are well recognized (Baker, 1957;Gardner, 1958;Klipstein, 1968). The identification of tropical sprue among the population of an area where intestinal morphological abnormalities are ubiquitous and malabsorption is common, such as in rural Haiti (Klipstein et al, 1966a;Klipstein, Samloff, Smarth, and Schenk, 1968), is thus often difficult.…”